"N-no," Peter stammered, holding it to his chest. "I like it. Thank you. And you know, I'm--" Peter presses his lips together. "I'm glad you came."
Other options:
Re: Peter and Alec
"N-no," Peter stammered, holding it to his chest. "I like it. Thank you. And you know, I'm--" Peter presses his lips together. "I'm glad you came."